code: def to_dgl_nd_for_write(x):
      """Convert framework-specific tensor/None to dgl ndarray for write."""
      return (
          nd.NULL["int64"]
          if x is None
          else F.zerocopy_to_dgl_ndarray_for_write(x)
      )
  
imports: from __future__ import absolute_import
  from .None import backend, ndarray
  from ._ffi.function import _init_api
  from .base import DGLError
label_desc: Use image node_id 3 for calling a global function with example usage: to_dgl_nd_for_write(x) and returns: unknown